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The DIRC, a new type of Cherenkov imaging device, has been selected as the primary particle identification system for the BABAR detector at the asymmetric B-factory, PEP-II. It is based on total internal reflection and uses long,…

High Energy Physics - Experiment · Physics 2015-06-25 Jochen Schwiening

Usually the Imaging Atmospheric Cherenkov Telescopes, used for the ground-based gamma-ray astronomy in the very high energy range 50 GeV - 50 TeV, perform air shower observations till the zenith angle of ~60 deg. Beyond that limit the…

The photon density on the ground is a fundamental quantity in all experiments based on Cherenkov light measurements, e.g. in the Imaging Air Cherenkov Telescopes (IACT). IACT's are commonly and successfully used in order to search and study…

Instrumentation and Methods for Astrophysics · Physics 2014-11-18 Dorota Sobczynska

A covariant criterion for the Cherenkov radiation emission in the field of a non-linear gravitational wave is considered in the framework of exact integrable models of particle dynamics and electromagnetic wave propagation. It is shown that…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Alexander B. Balakin , Richard Kerner , Jose' P. S. Lemos

Imaging Cherenkov detectors form the backbone of particle identification (PID) at the future Electron Ion Collider (EIC). Currently all the designs for the first EIC detector proposal use a dual Ring Imaging CHerenkov (dRICH) detector in…

Instrumentation and Detectors · Physics 2022-04-20 C. Fanelli , A. Mahmood

Cathodoluminescence (CL) has evolved into a standard analytical technique in (scanning) transmission electron microscopy. CL utilizes light excited due to the interactions between the electron-beam and the sample. In the present study we…

Applied Physics · Physics 2020-05-01 Michael Stöger-Pollach , Stefan Löffler , Niklas Maurer , Kristyna Bukvisova

The law of photon radiation from electron beams passing through a photonic crystal in the presence of an undulator is considered. The spectral-angular distribution and the time evolution of radiation is found. It is shown that the…

Optics · Physics 2013-06-12 V. G. Baryshevsky , A. A. Gurinovich

Large liquid-scintillator-based detectors have proven to be exceptionally effective for low energy neutrino measurements due to their good energy resolution and scalability to large volumes. The addition of directional information using…

Instrumentation and Detectors · Physics 2015-06-16 C. Aberle , A. Elagin , H. J. Frisch , M. Wetstein , L. Winslow

We have obtained general expressions for the intensity of radiation, decelerating force, the rate of heating and acceleration of a small polarizable particle under the conditions of Cherenkov friction: at relativistic motion parallel to the…

Mesoscale and Nanoscale Physics · Physics 2017-08-04 G. V. Dedkov , A. A. Kyasov

We calculate the Cherenkov process nu -> nu+photon in the presence of a homogeneous magnetic field. The neutrinos are taken to be massless with only standard-model couplings. The magnetic field fulfills the dual purpose of inducing an…

High Energy Physics - Phenomenology · Physics 2016-08-24 Ara N. Ioannisian , Georg G. Raffelt

This paper presents a method to identify electrons using the Cherenkov light emitted when a charged particle travels in air and photons are detected with a Silicon PhotoMultiplier (SiPM). The analysis is based on a photon-counting approach…

An algorithm for identifying rings in Ring Imaging Cherenkov (RICH) detectors is described. The algorithm is necessarily Bayesian and makes use of a Metropolis-Hastings Markov chain Monte Carlo sampler to locate the rings. In particular,…

Instrumentation and Detectors · Physics 2007-05-23 Christopher Gorham Lester

Muography is an innovative imaging technique using naturally produced elementary particles -- atmospheric muons -- like the X-rays of medical imaging. The modification of the particles flux -- by scattering or absorption --, reflects the…

Instrumentation and Detectors · Physics 2024-01-31 Theodore Avgitas , Jean Christophe Ianigro , Jacques Marteau

Using a fully relativistic theory we study the quantum Vavilov-Cherenkov radiation and quantum friction occurring during relative sliding of the two transparent dielectric plates with the refractive index $n$. These phenomena occur above…

Mesoscale and Nanoscale Physics · Physics 2016-01-19 A. I. Volokitin , B. N. J Persson

A detailed understanding of a volcano inner structure is one of the key-points for the volcanic hazards evaluation. To this aim, in the last decade, geophysical radiography techniques using cosmic muon particles have been proposed. By…

A proximity focusing ring imaging Cherenkov detector, with the radiator consisting of two or more aerogel layers of different refractive indices, has been tested in 1-4 GeV/c pion beams at KEK. Essentially, a multiple refractive index…

Identification of Cherenkov light generated by muons has been suggested as a promising way to dramatically improve the background rejection power of Imaging Atmospheric Cherenkov Telescope (IACT) arrays at high energies. However, muon…

High Energy Astrophysical Phenomena · Physics 2022-12-13 Laura Olivera-Nieto , Helena X. Ren , Alison M. W. Mitchell , Vincent Marandon , Jim Hinton

Cascades of charged particles are created when high-energy cosmic rays enter the earth's atmosphere: these 'extensive air-showers' are studied to gain information on the energy spectrum, arrival direction distribution and mass composition…

History and Philosophy of Physics · Physics 2015-05-27 A A Watson

Within the scope of the relativistic quantum theory for electron-laser interaction in a medium and using the resonant approximation for the two degenerated states of an electron in a monochromatic radiation field [1] a nonperturbative…

Quantum Physics · Physics 2007-05-23 H. K. Avetissian , A. L. Khachatryan , G. F. Mkrtchian

Gamma-ray astronomy at energies in excess of 100 GeV is carried out using arrays of imaging Cherenkov telescopes. Each telescope comprises a large reflector, of order 10 m diameter, made of many mirror facets, and a camera consisting of a…

Instrumentation and Methods for Astrophysics · Physics 2013-08-01 Sean Griffin , David Hanna